Lethal Weapon 4

Lethal Weaponis a 1998 American buddy cop action film directed and produced by Richard Donner, and starring Mel Gibson, Danny Glover, Joe Pesci, Rene Russo, Chris Rock and Jet Li in his American film debut. It is the fourth and final installment in the Lethal Weapon series.

Riggs, Murtaugh, and Butters with some assistance from Leo Getz Joe Pesci, who is now a private detective investigate a Chinese immigrant smuggling ring after they come across a vessel with a cargo hold of Chinese slave laborers in the course of these events Murtaughs boat is sunk. Murtaugh finds a dinghy alongside with a Chinese family whom he provides shelter for at his house, claiming to be freeing slaves.Information about a crime boss named Uncle Benny Chan Kim Chan, leads them to Chinatown, where they are introduced to a highranking Triad negotiator named Wah Sing Ku Jet Li. Benny forces the three cops out of the restaurant without providing information on what his and the Triads plans are. The cops encounter the captain of the ship and chase him and another suspect. The other suspect turns out to be a restaurant waiter and freed. However, Ku kills the captain for inadvertently drawing attention to their secret plans and bringing Riggs and Murtaugh here. ........

Source: Wikipedia